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net/mlx5: Introduce termination table bits

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Termination table is a flow table with a termination flag. The flag
allows the firmware to assume that the the specified actions are the last
actions list. This assumption allows the FW to safely perform potential
looping logic (e.g. hairpin). Introduce the bits for this attribute.

Signed-off-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Oz Shlomo <ozsh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Eli Britstein 2019-05-29 22:50:29 +00:00 committed by Saeed Mahameed
parent 0b9055a112
commit c6d4e45d3b
3 changed files with 8 additions and 2 deletions
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3
drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
View File

@ -147,6 +147,7 @@ static int mlx5_cmd_create_flow_table(struct mlx5_flow_root_namespace *ns,
{
int en_encap = !!(ft->flags & MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT);
int en_decap = !!(ft->flags & MLX5_FLOW_TABLE_TUNNEL_EN_DECAP);
int term = !!(ft->flags & MLX5_FLOW_TABLE_TERMINATION);
u32 out[MLX5_ST_SZ_DW(create_flow_table_out)] = {0};
u32 in[MLX5_ST_SZ_DW(create_flow_table_in)] = {0};
struct mlx5_core_dev *dev = ns->dev;
@ -167,6 +168,8 @@ static int mlx5_cmd_create_flow_table(struct mlx5_flow_root_namespace *ns,
en_decap);
MLX5_SET(create_flow_table_in, in, flow_table_context.reformat_en,
en_encap);
MLX5_SET(create_flow_table_in, in, flow_table_context.termination_table,
term);
switch (ft->op_mod) {
case FS_FT_OP_MOD_NORMAL:

1
include/linux/mlx5/fs.h
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@ -47,6 +47,7 @@ enum {
enum {
MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT = BIT(0),
MLX5_FLOW_TABLE_TUNNEL_EN_DECAP = BIT(1),
MLX5_FLOW_TABLE_TERMINATION = BIT(2),
};
#define LEFTOVERS_RULE_NUM 2

6
include/linux/mlx5/mlx5_ifc.h
View File

@ -382,7 +382,8 @@ struct mlx5_ifc_flow_table_prop_layout_bits {
u8 reformat_and_modify_action[0x1];
u8 reserved_at_15[0x2];
u8 table_miss_action_domain[0x1];
u8 reserved_at_18[0x8];
u8 termination_table[0x1];
u8 reserved_at_19[0x7];
u8 reserved_at_20[0x2];
u8 log_max_ft_size[0x6];
u8 log_max_modify_header_context[0x8];
@ -7239,7 +7240,8 @@ struct mlx5_ifc_create_flow_table_out_bits {
struct mlx5_ifc_flow_table_context_bits {
u8 reformat_en[0x1];
u8 decap_en[0x1];
u8 reserved_at_2[0x2];
u8 reserved_at_2[0x1];
u8 termination_table[0x1];
u8 table_miss_action[0x4];
u8 level[0x8];
u8 reserved_at_10[0x8];